[improve] delete MetricsSource.java
diff --git a/hertzbeat-common/src/main/java/org/apache/hertzbeat/common/entity/job/MetricsSource.java b/hertzbeat-common/src/main/java/org/apache/hertzbeat/common/entity/job/MetricsSource.java
deleted file mode 100644
index d9e2c8f..0000000
--- a/hertzbeat-common/src/main/java/org/apache/hertzbeat/common/entity/job/MetricsSource.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.apache.hertzbeat.common.entity.job;
-
-import lombok.Data;
-
-import java.util.List;
-
-/**
- *
- */
-@Data
-public class MetricsSource {
- private List<Metrics> metricsList;
-}
